interface CommentModel {
  children: [
    {
      content: string,
      createBy: number,
      createTime: string,
      id: number,
      rootId: string,
      toCommentId: string,
      toCommentUserId: string,
      toCommentUsername: string,
      type: string,
      username: string,
      avatar: string
    }
  ],
  content: string,
  createBy: number,
  createTime: string,
  id: number,
  rootId: string,
  toCommentId: string,
  toCommentUserId: string,
  toCommentUsername: string,
  type: string,
  username: string
  avatar: string
}

export class Comment {
  comment: Array<CommentModel> = []
}
